DUFRAT Katarzyna · SAKR

39rank
-4.2Butler · 56 bds
-0.07per board
±4.6swing
+0.88vs par /bd · #3/31
+0.10adjusted /bd
Butler per round: -0.6 12 12 -15.6by round

vs par split: bidding +0.80 · play +0.07

Strength of schedule: opponents averaged +0.18/bd (a tough draw) → opponent-adjusted +0.10/bd

Card play — on target: opening leads 90.9% #5 of 31 · declarer play 81.2% #10 of 31 · defence 96.2% #3 of 31

Card play by contract type — on target
vs NTvs a suit
Opening leads75.0% (4)100.0% (7)
Declarer play60.0% (5)90.9% (11)
Defence88.9% (9)100.0% (17)

Opening leads by suit led: ♠ 100.0% (3) · ♥ 100.0% (4) · ♦ 66.7% (3) · ♣ 100.0% (1)

vs par by strain: NT +0.19 (16) · a suit +1.15 (40)

vs par by level: part-score +0.23 (22) · game +0.21 (29) · slam +7.60 (5)

By role: declaring -0.24/bd (-0.23 vs par · 30) · defending +0.12/bd (+2.15 vs par · 26)

By vulnerability: vulnerable +0.58/bd (+1.50 vs par · 28) · not vulnerable -0.73/bd (+0.25 vs par · 28)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round of 16M.NowosadzkiJ.Romanowski – M.RossardOpen14-0.6-0.04+1.29
QuarterfinalM.NowosadzkiD.Berkowitz – D.BerkowitzClosed14-11.1-0.79+0.07
QuarterfinalM.NowosadzkiD.Berkowitz – L.BerkowitzClosed14+23.1+1.65+2.29
SemifinalM.NowosadzkiM.Michielsen – J.UpmarkClosed14-15.6-1.11-0.14
FinalM.NowosadzkiS.Willard – F.MultonClosed0+0.0+0.00·
FinalM.NowosadzkiS.Willard – F.MultonClosed0+0.0+0.00·

Every board — best Butler first↑ top

vs par = IMPs this pair scored above (+) or below (−) the board’s double-dummy par — what bidding and play (theirs and the opponents’) added or gave away against perfect play.

ButlerRoundOpponentsBdContractLeadResvs par
+12.3QuarterfinalBERKSMA216♥♦9-4+12
+8.8Round of 16BLUE NOTE185♠♥9+1+11
+8.4Round of 16BLUE NOTE206♣x♥A-1+16
+8.0SemifinalROSENTHAL173♠♦A=+10
+7.9QuarterfinalBERKSMA76♦♠Q-1+12
+5.6QuarterfinalBERKSMA204♥♣2+1+11
+5.1QuarterfinalBERKSMA283♥♠2+1+6
+4.6QuarterfinalBERKSMA154♥♦J=+11
+4.4QuarterfinalBERKSMA183NT♦5+2+1
+3.5Round of 16BLUE NOTE264♠♣K=+3
+3.1QuarterfinalBERKSMA173NT♥2=-1
+3.0SemifinalROSENTHAL164♦x♥K-3+3
+2.5Round of 16BLUE NOTE275♠x♥A-1+5
+2.3Round of 16BLUE NOTE152♥♠K+1+0
+2.0SemifinalROSENTHAL273♦♠Q=+0
+1.7QuarterfinalBERKSMA14♠♦6+1+0
+1.4QuarterfinalBERKSMA193NT♥2+1+0
+1.3QuarterfinalBERKSMA242♥♣K=+0
+1.0SemifinalROSENTHAL211NT♣5-1+0
+1.0SemifinalROSENTHAL283NT♦7+1+0
+0.7Round of 16BLUE NOTE254♥♣10=+0
+0.7QuarterfinalBERKSMA44♠♣6+1+0
+0.4Round of 16BLUE NOTE191♠♥2+1+0
+0.3Round of 16BLUE NOTE173NT♠6+2+0
+0.3QuarterfinalBERKSMA223♦♥3+1+0
+0.0QuarterfinalBERKSMA23NT♥2+1-1
+0.0QuarterfinalBERKSMA52♥♣K+1+0
+0.0SemifinalROSENTHAL226♥♦A=-1
+0.0SemifinalROSENTHAL244♠♣2=+0
+0.0SemifinalROSENTHAL253NT♦6-2+7
-0.3QuarterfinalBERKSMA264♥♣2=+0
-0.3SemifinalROSENTHAL203NT♦J+1-1
-0.3SemifinalROSENTHAL266NT♣6+1-1
-0.6QuarterfinalBERKSMA32♠♣9-1+1
-0.6QuarterfinalBERKSMA143♣♦K=+1
-1.0Round of 16BLUE NOTE222NT♠4+1+10
-1.2Round of 16BLUE NOTE284♥♣K-1+1
-1.3Round of 16BLUE NOTE241NT♣Q-1-2
-1.3QuarterfinalBERKSMA234♠♥6=+0
-1.4QuarterfinalBERKSMA123♦♠K-1-5
-1.7QuarterfinalBERKSMA101NT♣6=+1
-1.9QuarterfinalBERKSMA114♥♣J+1+0
-2.2Round of 16BLUE NOTE213NT♣8-1-6
-2.3QuarterfinalBERKSMA81NT♦5-2+0
-3.3QuarterfinalBERKSMA93♣♥A-2-5
-3.4QuarterfinalBERKSMA164♠♦K+1+0
-3.6QuarterfinalBERKSMA61NT♦2-1-4
-4.6QuarterfinalBERKSMA274♣♠9+1-7
-5.4QuarterfinalBERKSMA254♠♣3+1-1
-5.7SemifinalROSENTHAL193♣♦A-2+1
-6.0QuarterfinalBERKSMA135♣♠A=+1
-7.3SemifinalROSENTHAL232♣x♣6-3-5
-8.3SemifinalROSENTHAL154♥♣8-1-12
-8.7SemifinalROSENTHAL184♥x♣K-2-3
-10.3Round of 16BLUE NOTE234♥x♣Q+1-10
-11.5Round of 16BLUE NOTE164♠x♥A=-10